Home / 19,827.88-27,363.72-13,101.70

Finding the Fourth Proportional to 19,827.88, 27,363.72 and 13,101.70

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Solution

The fourth proportional to 19,827.88, 27,363.72 and 13,101.70 is: 18,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.88 : 27,363.72 = 13,101.70 : x
  2. Step 2: Convert to fraction form
    19,827.88/27,363.72 = 13,101.70/x
  3. Step 3: Cross multiply
    19,827.88x = 27,363.72 × 13,101.70
  4. Step 4: Simplify right side
    19,827.88x = 358,511,250.32
  5. Step 5: Solve for x
    x = 358,511,250.32/19,827.88
  6. Step 6: Final answer
    x = 18,081.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.